IR1155SPBF

Overview

The IR1155SPBF is a programmable frequency single-cycle control Power Factor Correction (PFC) integrated circuit manufactured by Infineon Technologies. It operates within a switching frequency range of 48 kHz to 200 kHz and supports a VCC supply voltage range from 12 V to 20 V. The device features a maximum quiescent current of 175 µA and a peak ICC of 13 mA. Designed for surface-mount applications, it is housed in an 8-lead SOIC package with a power dissipation rating of 976 mW. The component exhibits moisture sensitivity and complies with RoHS standards.

Feature Summary

• Implements single-cycle control architecture for precise power factor correction regulation.
• Features programmable switching frequency capability to optimize system design flexibility.
• Integrates low quiescent current operation to enhance efficiency during standby conditions.

Applications

• Desktop Switching Mode Power Supplies
• Server Switching Mode Power Supplies
• AC-DC Adapters
• LCD Television Power Systems
• Telecom Switching Mode Power Supplies

Procurement Notes

Verify the specific suffix 'SPBF' against official Infineon documentation to confirm the lead-free packaging designation and tape-and-reel or tube configuration. Confirm that the component status aligns with project requirements, as availability may be restricted. Ensure compliance with RoHS directives and check moisture sensitivity level handling procedures prior to assembly.

Selection Notes

Select this component for designs requiring high-efficiency PFC with adjustable frequency parameters. Evaluate the thermal performance relative to the 976 mW dissipation limit within the SOIC-8 package. Consider the 12 V to 20 V operating range for VCC supply compatibility. Assess the suitability of the single-cycle control method for the target application's transient response requirements.

Part Context

The IR1155 series belongs to Infineon's portfolio of AC-DC controllers focused on power factor correction. This specific part utilizes single-cycle control technology to achieve high performance in compact power supply designs. It serves as a key component in meeting stringent energy efficiency regulations for consumer electronics and telecommunications equipment.

Replacement Considerations

Consult official cross-reference data for direct substitutes. Verify pinout compatibility and electrical parameter equivalence if considering alternative manufacturers. Check for any changes in package dimensions or thermal characteristics when evaluating replacement options.